英语 英语 日语 日语 韩语 韩语 法语 法语 德语 德语 西班牙语 西班牙语 意大利语 意大利语 阿拉伯语 阿拉伯语 葡萄牙语 葡萄牙语 越南语 越南语 俄语 俄语 芬兰语 芬兰语 泰语 泰语 泰语 丹麦语 泰语 对外汉语
当前位置:主页 > TAG标签 > smaller
  • VOA标准英语2012--Could Rising Temperatures Mean Smaller Mammals?

    Could Rising Temperatures Mean Smaller Mammals? Scientists say in the ancient past, higher temperatures meant smaller mammals. Theyre studying how a brief, but dramatic climate change event affected body size. Its called the Paleocene-Eocene Thermal...

  • Peace Corps at 50: Same Mission of Aid, Just Smaller

    STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. Im Steve Ember. FAITH LAPIDUS: And I'm Faith Lapidus. Americans who volunteer for the Peace Corps get a chance to help improve lives in developing countries. They also get a chance to le...

  • VOA常速英语2008年-Smaller Heart Pump a Better Fit For Women

    By Melinda Smith Washington, D.C. 19 February 2008 Congestive heart failure is diagnosed when a weakened heart fails to pump blood adequately and fluid builds up in the lungs and elsewhere in the body. But a diagnosis of congestive heart failure doe...

    共1页/6条
听力搜索